This article is cited in 6 papers

Lasers

Lasing and spectroscopic properties of calcium-niobium-gallium garnet crystals doped with Tm³⁺ ions

Yu. K. Voronko, S. B. Gessen, N. A. Es'kov, P. A. Ryabochkina, A. A. Sobol, S. N. Ushakov, L. I. Tsymbal

General Physics Institute, Russian Academy of Sciences, Moscow

Abstract: The lasing properties and luminescence spectra of calcium-niobium-gallium garnet (CNGG) crystals doped with Tm³⁺ ions have been studied. The efficiency of the cross-relaxation process in the CNGG crystals, β_Tm→Tm, was determined from integral characteristics of the luminescence decay curves of the Tm³⁺ ions. Stimulated emission at a wavelength of 2.02 μm with an output energy of 3.3 J in the pulse was achieved in Tm:CNGG crystals (on the ³F₄→³H₆ transition) at T = 300 K.

UDC: 621.373.826.038.825.2

PACS: 42.55.Rz, 42.70.Hj, 42.60.By, 42.60.Lh, 42.60.Jf

Received: 25.09.1992

 English version: Quantum Electronics, 1993, 23:4, 309–311

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